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The depth of your post hole depends on your post length. If you decide on a two-rail fence, the posts are likely 6 feet long. You want your hole to be at least 1/3 of the post length. In this case, your post hole should be two feet deep.

If you opt for a three-rail fence, the posts will typically be 7 feet long, meaning your post hole should be 28 inches deep.

The most durable metal for a fence is wrought iron. With proper care, a wrought iron fence can last for centuries. This means regular resealing to stave off rust and corrosion, especially in coastal climates with salty sea air. In these environments, chain link and corrugated fencing tend to stand up better to the elements with fewer maintenance needs.

A chain-link fence does not lower your property value. However, chain links are not the most attractive materials—so it probably won’t raise the value either. If this is a concern, opt for wooden posts to provide visual flair and go with a color coating on your fence. Putting in a functional and attractive gate also helps up your resale value when installing a chain-link fence.

Vinyl and chicken wire are two of the best and most affordable materials for a DIY garden fence. Vinyl is a great option because it is cost-effective, easy to work with, and effective at keeping pests out. A vinyl fence can cost as little as $15 per linear foot, especially if you install it yourself. Chicken wire is even more budget-friendly, costing as little as $2 per linear foot. While chicken wire is more affordable, vinyl is a better choice if privacy is a concern. You can also add chicken wire on top of a vinyl fence for extra security.